Lingbao jujube detection

Jujube (scientific name: Ziziphus jujuba Mill.), also known as jujube, big jujube, prickly jujube, and Guan jujube. The jujube plant in the Rhamnaceae family is a deciduous small tree and sparse shrub, reaching over 10 meters tall. The bark is brown or grayish brown, and the petiole is 1-6 millimeters long, or up to 1 centimeter long on long branches. It is hairless or sparsely hairy, with slender stipular spines that often fall off in the later stages. Flowers yellow green, bisexual, glabrous, with short total peduncles, solitary or densely integrated axillary cymes. The drupe is rectangular or oval in shape, measuring 2-3.5 centimeters in length and 1.5-2 centimeters in diameter. It turns red to purple when ripe, and the mesocarp is fleshy, thick, and sweet in taste. The seeds are oblate, approximately 1 cm long and 8 mm wide. Growing in mountainous areas, hills or plains below an altitude of 1700 meters. Widely cultivated. This species is native to China and is often cultivated in Asia, Europe, and the Americas. Jujubes are rich in vitamin C and vitamin P. In addition to fresh food, they can often be made into preserves and preserves such as honey dates, red dates, smoked dates, black dates, wine dates, tooth dates, etc. They can also be used as raw materials for the food industry, such as jujube paste, jujube noodles, jujube wine, jujube vinegar, etc. Deciduous small trees and sparse shrubs, reaching over 10 meters high; Bark brown or grayish brown; There are long branches, short branches, and sproutless branches (i.e. new branches) that are smoother than long branches, purple red or grayish brown, zigzagging in a zigzag shape, with 2 stipular spines. The long spines can reach 3 centimeters, thick and straight, and the short spines bend downward, measuring 4-6 millimeters in length; The short branches are short and thick, rectangular in shape, emanating from the old branches; The current year's small branches are green, drooping, solitary or 2-7 clusters on short branches. Leaves papery, ovate, ovate elliptical, or ovate rectangular circular; 3-7 cm long, 1.5-4 cm wide, apex obtuse or rounded, sparsely acute, with a small pointed head, base slightly asymmetric, suborbicular, margin with crenate serrations, dark green above, glabrous, light green below, glabrous or sparsely hairy only along veins, with three basal veins; Petioles 1-6 mm long, or up to 1 cm on long branches, glabrous or sparsely pubescent; Stipules are slender and often fall off in the later stages. Flowers yellow green, bisexual, 5-flowered, glabrous, with short total pedicels, solitary or 2-8 densely integrated axillary cymes; Pedicel length 2-3 mm; Sepals ovoid triangular; Petals obovate, with claws at the base, as long as stamens; Flower disc thick, fleshy, round, 5-lobed; The lower part of the ovary is hidden within the disc, connate with the disc, 2-loculed, with 1 ovule per locule, and the style is 2-cleft. Drupe oblong or long ovoid, 2-3.5 cm long, 1.5-2 cm in diameter, red at maturity, turning reddish purple later, with a fleshy, thick, sweet mesocarp. The top of the stone is sharp, and the base is sharp or obtuse, 2-celled, with 1 or 2 seeds, and the peduncle is 2-5 mm long; The seeds are oblate, approximately 1 cm long and 8 mm wide

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